Source-to-model evidence
Coiled single-core wire in red, yellow, green, blue, black, and yellow-green PVC insulation.
CTT public home-wiring line plus storefront-mirror image candidates and public distributor/indexed SKU signals: 450/750 V, PVC insulation, copper conductor, common building-wire colors, IEC 60332-3 signal, 20D bending-radius note, finished loop length no less than 100 m, red 1x2.5 100 m single-coil distributor-style pack calibration, XFS white BVR 1x2.5 100 m product-image-element calibration pack, red plus white BVR 1x2.5 100 m procurement kits, clean red/white/yellow multi-SKU 100 m-style distributor pack rack, indexed red 1.5, yellow 4, blue 6, black neutral, and yellow-green earth 100 m color-SKU rack, clean 2.5/4/6 mm2 BVR size-family calibration rack, single-core multi-strand copper closeup cue, 31-strand copper acceptance cut face, BVR 2.5 / 4 / 6 red-blue-black-yellow-earth 100 m coil variants, distribution color-route terminal panel, 37-strand copper witness sample, six 100 m color coils in a corrugated tray, v12 indexed storefront-style SKU matrix, BVR 1.5 / 2.5 / 4 / 6 color coils, and ZC-BV 6 red 50 m and 100 m length variants.